Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kf3 draw
5 Kg3 draw
6 Kgg1 draw
7 Kgh2 draw
8 Kh3 draw
9 Khg1 draw
10 Khh2 draw
11 Ra7 draw
12 Re7 draw
13 Rf7 draw
14 Rg3 draw
15 Rh7 draw
16 Rb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves